Oil CASTROL Power1 Racing 4T 5W-40 4L. It is a fully synthetic 4-stroke engine oil developed for modern high-performance motorcycles that gives an increase in acceleration and engine power up to the maximum rpm level. Its race-derived technology is based on Castrol's long history of racing and lubricant development experience ensuring maximum engine performance without sacrificing durability, thus providing a clear benefit over other engine lubricants.

It is specifically approved by BMW for the K1600, K1300, K1200, S1000 RR, and G450X models. It can be used in multiple motorcycle gearboxes where it gives great clutch performance.